<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>index</title>
</head>
<body>
    <h1>index</h1>
    <a href="/hello">to hello</a>

    <form method="post" action="/logout">
        <input type="submit" value="logout">
    </form>
</body>
</html>
